China Fishery Channel reported that? The crab industry in China has developed rapidly, and the crab market has broken the geographical restriction of crab consumption due to the rapid development of e-commerce and express delivery industry, which has an increasing impact on aquaculture benefits. This paper focuses on exploring the new development trend of river crab market, so that relevant parties can adjust the structure and behavior of river crab breeding according to market rules and make decisions on the sales opportunity of river crab. The author puts forward some breeding countermeasures, which have reference significance for the further development of river crab industry. Development of crab industry in China: Crab farming in China has entered the era of large-scale crab farming. Crab farming in China is mainly concentrated in Jiangsu, Hubei, Anhui, Jiangxi, Shanghai and other provinces in the middle and lower reaches of the Yangtze River, as well as coastal areas such as Liaoning, Shandong and Zhejiang. At present, the total area of crab breeding in China is 7 million mu, including 3.7 million mu in Jiangsu, 800,000 mu in Hubei and 2.5 million mu in other areas.

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